package com.example.network;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    private Button button1;
    private Button button2;
    private Button button3;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        button1=(Button)findViewById(R.id.button1);
        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=new Intent();
                intent.setAction("android.intent.action.VIEW");
                intent.setData(Uri.parse("http://www.hzu.edu.cn"));
                startActivity(intent);
            }
        });

        button2=(Button)findViewById(R.id.button2);
        button2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=getPackageManager().getLaunchIntentForPackage("com.tencent.mm");
                startActivity(intent);
            }
        });

        button3=(Button)findViewById(R.id.button3);
        button3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=getPackageManager().getLaunchIntentForPackage("com.tencent.mobileqq");
                startActivity(intent);
            }
        });
    }
}